RaceAtlas

Alcatraz Island Tides: Sunday, July 4, 2027

Tide heights at Alcatraz Island with the flood, ebb and slack schedule at the Golden Gate.

-1.7 ft6:38 AM4.9 ft1:55 PM2.9 ft6:16 PM-2 ft0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.9 ft at 1:55 PM, low -1.7 ft at 6:38 AM. Gate: flood 3.2 kt at 10:58 AM, ebb 2.0 kt at 3:58 AM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
6:38 AMLow-1.7 ft
1:55 PMHigh4.9 ft
6:16 PMLow2.9 ft
Current · Golden Gate
TimeStateSpeed
12:35 AMslack–
3:58 AMmax ebb SW (235°)2.0 kt
7:53 AMslack–
10:58 AMmax flood ENE (074°)3.2 kt
3:08 PMslack–
5:20 PMmax ebb SW (235°)0.8 kt
7:21 PMslack–
10:21 PMmax flood ENE (074°)3.0 kt

Not for navigation. These are harmonic predictions, not live measurements. Tide heights: station 9414792 (Alcatraz Island). Currents: station SFB1203 (San Francisco Bay Entrance, Golden Gate). · RaceAtlas, the SF Bay current atlas.